Friday, September 23, 2016

GRNG Exploratory Sept 23rd- Batteries Part 2

Students continued working on penny batteries-

Some more groups got LEDs to light:


Another group was able to power a calculator:


I experimented with a new version of the aluminum/bleach battery:


It produced about 60 mA at 4.5V.

Another version of the copper-aluminum-bleach battery used baggies. It was able to run a small motor, but it had some leakage issues.



8.2V! The voltage slowly increased with use...

Mr. Peloquin opened up a 9V alkaline battery, and showed how it composed of multiple cells...


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